20287557342

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{3089}}^1$

素因数の和:3267

約数の個数: 144

約数和(自身を含む): 50810872320

約数和(自身を除く): 30523314978

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 78, 102, 117, 127, 153, 169, 221, 234, 254, 306, 338, 381, 442, 507, 663, 762, 1014, 1143, 1326, 1521, 1651, 1989, 2159, 2286, 2873, 3042, 3089, 3302, 3978, 4318, 4953, 5746, 6178, 6477, 8619, 9267, 9906, 12954, 14859, 17238, 18534, 19431, 21463, 25857, 27801, 28067, 29718, 38862, 40157, 42926, 51714, 52513, 55602, 56134, 64389, 80314, 84201, 105026, 120471, 128778, 157539, 168402, 193167, 240942, 252603, 315078, 361413, 364871, 386334, 392303, 472617, 505206, 522041, 682669, 722826, 729742, 784606, 945234, 1044082, 1094613, 1176909, 1365338, 1566123, 2048007, 2189226, 2353818, 3132246, 3283839, 3530727, 4096014, 4698369, 5099939, 6144021, 6567678, 6669151, 7061454, 8874697, 9396738, 10199878, 12288042, 13338302, 15299817, 17749394, 20007453, 26624091, 30599634, 40014906, 45899451, 53248182, 60022359, 66299207, 79872273, 86698963, 91798902, 120044718, 132598414, 159744546, 173397926, 198897621, 260096889, 397795242, 520193778, 596692863, 780290667, 1127086519, 1193385726, 1560581334, 2254173038, 3381259557, 6762519114, 10143778671, 20287557342]

約数ペア:

[(1, 20287557342), (2, 10143778671), (3, 6762519114), (6, 3381259557), (9, 2254173038), (13, 1560581334), (17, 1193385726), (18, 1127086519), (26, 780290667), (34, 596692863), (39, 520193778), (51, 397795242), (78, 260096889), (102, 198897621), (117, 173397926), (127, 159744546), (153, 132598414), (169, 120044718), (221, 91798902), (234, 86698963), (254, 79872273), (306, 66299207), (338, 60022359), (381, 53248182), (442, 45899451), (507, 40014906), (663, 30599634), (762, 26624091), (1014, 20007453), (1143, 17749394), (1326, 15299817), (1521, 13338302), (1651, 12288042), (1989, 10199878), (2159, 9396738), (2286, 8874697), (2873, 7061454), (3042, 6669151), (3089, 6567678), (3302, 6144021), (3978, 5099939), (4318, 4698369), (4953, 4096014), (5746, 3530727), (6178, 3283839), (6477, 3132246), (8619, 2353818), (9267, 2189226), (9906, 2048007), (12954, 1566123), (14859, 1365338), (17238, 1176909), (18534, 1094613), (19431, 1044082), (21463, 945234), (25857, 784606), (27801, 729742), (28067, 722826), (29718, 682669), (38862, 522041), (40157, 505206), (42926, 472617), (51714, 392303), (52513, 386334), (55602, 364871), (56134, 361413), (64389, 315078), (80314, 252603), (84201, 240942), (105026, 193167), (120471, 168402), (128778, 157539)]